/**
* Copyright (C) 2013-2024 Nanjing Pengyun Network Technology Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/ 

package py.metrics;

import java.util.concurrent.Callable;
import java.util.concurrent.TimeUnit;

public class PyNullMetric implements PyMetric {
  public static final PyNullMetric defaultNullMetric = new PyNullMetric();

  @Override
  public void incCounter() {
  }

  @Override
  public void incCounter(long n) {
  }

  @Override
  public void decCounter() {
  }

  @Override
  public void decCounter(long n) {
  }

  @Override
  public void updateHistogram(int value) {
  }

  @Override
  public void updateHistogram(long value) {
  }

  @Override
  public void mark() {
  }

  @Override
  public void mark(long n) {
  }

  @Override
  public PyTimerContext time() {
    return PyNullTimerContext.defaultNullTimerContext;
  }

  @Override
  public <T> T time(Callable<T> event) throws Exception {
    throw new RuntimeException("This method is not implemented");
  }

  @Override
  public void update(long duration, TimeUnit unit) {
  }

  @Override
  public long getCount() {
    return 0;
  }
}
